Part A
ADA4610-2BRZ
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 3330 個数
- Series
- リニアアンプ - 計装用、オペアンプ、バッファアンプ
Replacement verdict
Compatible functional replacement candidate
The ADA4610-2ARZ-RL is a functionally compatible replacement candidate for the ADA4610-2BRZ, as both parts share the same dual low-noise JFET-input op-amp core, identical SOIC-8 package and pinout, and equivalent supply and temperature ratings; the primary distinction is the grade-level specification binning, which requires validation against the target application's precision requirements.
Amplifier Core and Channel Count
High match
Package Type and Pinout
High match
Supply Voltage Range
High match
Grade-Level Precision Specifications
Validation required
Parts at a glance
Part B
ADA4610-2ARZ-RL
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 9822 個数
- Package
- SOIC-8
- Series
- リニアアンプ - 計装用、オペアンプ、バッファアンプ
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4610-2BRZ | ADA4610-2ARZ-RL | Why it matters |
|---|---|---|---|
| Grade / Temperature Range | B grade, -40°C to +125°C | A grade, -40°C to +125°C | The B grade is a higher-performance bin with tighter specifications than the A grade, affecting precision-critical designs. |
| Input Offset Voltage (max) | 0.3 mV | 0.5 mV | Lower offset voltage improves DC accuracy in precision signal-conditioning applications. |
| Input Offset Voltage Drift (max) | 2 µV/°C | 5 µV/°C | Lower drift maintains accuracy over temperature, important for industrial and instrumentation designs. |
| Input Bias Current (max) | 5 pA | 25 pA | Lower bias current reduces errors in high-impedance sensor and photodiode front-ends. |
| Gain Bandwidth Product | 16 MHz | 16 MHz | GBW determines the achievable closed-loop bandwidth and speed of the amplifier. |
| Voltage Noise Density (1 kHz) | 7.3 nV/√Hz | 7.3 nV/√Hz | Noise density sets the noise floor for low-level signal amplification. |
| Supply Voltage Range | ±4.5 V to ±15 V | ±4.5 V to ±15 V | The supply range determines compatibility with the system power rails. |
| Package / Mounting | 8-Lead SOIC (tube) | 8-Lead SOIC (tape and reel) | Packaging form affects assembly handling and production line compatibility. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADA4610-2BRZ | ADA4610-2ARZ-RL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Active |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 61V/µs | 61V/µs |
| Gain Bandwidth Product | 16.3 MHz | 16.3 MHz |
| -3 dB Bandwidth | 9.5 MHz | 9.5 MHz |
| Current - Input Bias | 5 pA | 5 pA |
| Voltage - Input Offset | 200 µV | 400 µV |
| Supply Current | 1.6mA (x2 Channels) | 1.6mA (x2 Channels) |
| Current - Output / Channel | 79 mA | 79 mA |
| Voltage - Supply Span(Min) | 10 V | 10 V |
| Voltage - Supply Span(Max) | 30 V | 30 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the ADA4610-2BRZ and ADA4610-2ARZ-RL?
Both are dual, low noise, precision JFET operational amplifiers from Analog Devices in an 8-lead SOIC package. The primary difference is the grade: the ADA4610-2BRZ is the higher-grade B version, while the ADA4610-2ARZ-RL is the standard A grade supplied in tape-and-reel packaging. The B grade offers tighter guaranteed specifications, notably lower offset voltage and offset voltage drift, compared to the A grade.
Are the ADA4610-2BRZ and ADA4610-2ARZ-RL pin-compatible?
Yes. Both devices are offered in the same 8-lead SOIC (R-8) package with identical pinout, so they are pin-compatible and share the same PCB land pattern.
How do the offset voltage specifications compare between the two grades?
The B grade (ADA4610-2BRZ) guarantees a lower maximum input offset voltage than the A grade (ADA4610-2ARZ-RL). Designers should consult the respective Analog Devices datasheet grade tables for the exact guaranteed limits, since the B grade is specified more tightly than the A grade.
Does the packaging differ between the ADA4610-2BRZ and ADA4610-2ARZ-RL?
Yes. The ADA4610-2BRZ is supplied in tube packaging, while the ADA4610-2ARZ-RL is supplied in tape-and-reel format (the "-RL" suffix denotes reel packaging), which is suited to automated pick-and-place assembly.
Can the ADA4610-2ARZ-RL be used as a drop-in replacement for the ADA4610-2BRZ?
Because both parts share the same package and pinout, they are physically interchangeable. However, the A grade has wider guaranteed limits than the B grade, so substitution is only acceptable if the application's error budget is satisfied by the A-grade specifications. The design should be validated against the A-grade datasheet limits before substituting.
Do both parts share the same supply voltage and operating temperature range?
Yes. Both the ADA4610-2BRZ and ADA4610-2ARZ-RL are specified for the same supply voltage range and industrial temperature range as defined in the Analog Devices ADA4610-2 datasheet. Refer to the datasheet for the exact verified limits.
Which grade should be selected for precision DC applications?
For precision DC applications requiring tighter offset voltage and offset drift, the B grade (ADA4610-2BRZ) is the appropriate choice because it carries tighter guaranteed specifications. The A grade (ADA4610-2ARZ-RL) is suitable where the wider A-grade limits meet the error budget, and its tape-and-reel packaging benefits high-volume automated assembly.